workbench/devs/AHI/Drivers/EMU10kx/emu10kx-camd.h

   1 /*
   2      emu10kx.audio - AHI driver for SoundBlaster Live! series
   3      Copyright (C) 2002-2005 Martin Blom <martin@blom.org>
   4
   5      This program is free software; you can redistribute it and/or
   6      modify it under the terms of the GNU General Public License
   7      as published by the Free Software Foundation; either version 2
   8      of the License, or (at your option) any later version.
   9
  10      This program is distributed in the hope that it will be useful,
  11      but WITHOUT ANY WARRANTY; without even the implied warranty of
  12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13      GNU General Public License for more details.
  14
  15      You should have received a copy of the GNU General Public License
  16      along with this program; if not, write to the Free Software
  17      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18 */
  19
  20 #ifndef AHI_Drivers_EMU10kx_emu10kx_camd_h
  21 #define AHI_Drivers_EMU10kx_emu10kx_camd_h
  22
  23 #include <config.h>
  24 #include <exec/semaphores.h>
  25
  26 #define EMU10KX_CAMD_SEMAPHORE "emu10kx.camd"
  27
  28 /* This is the global, public data structure used to communicate with
  29  * the CAMD part of emu10kx.audio. Find it, lock it, use it and then
  30  * release it. */
  31
  32 struct EMU10kxCamd
  33 {
  34     struct SignalSemaphore  Semaphore;
  35     UWORD                   Cards;
  36     UWORD                   Version;
  37     UWORD                   Revision;
  38     struct Hook             OpenPortFunc;
  39     struct Hook             ClosePortFunc;
  40     struct Hook             ActivateXmitFunc;
  41 };
  42
  43
  44 /* Message for OpenPortFunc */
  45 struct OpenMessage
  46 {
  47     LONG          PortNum;
  48     ULONG         V40Mode;
  49     struct Hook*  TransmitFunc;
  50     struct Hook*  ReceiveFunc;
  51 };
  52
  53 /* Message for ClosePortFunc */
  54 struct CloseMessage
  55 {
  56     LONG PortNum;
  57 };
  58
  59 /* Message for ActivateXmitFunc */
  60 struct ActivateMessage
  61 {
  62     LONG PortNum;
  63 };
  64
  65 /* Message for ReceiveFunc */
  66 struct ReceiveMessage
  67 {
  68     ULONG InputByte;
  69 };
  70
  71
  72 struct EMU10kxBase;
  73
  74 ULONG
  75 OpenCAMDPort( struct Hook*        hook,
  76               struct EMU10kxBase* EMU10kxBase,
  77               struct OpenMessage* msg );
  78
  79 VOID
  80 CloseCAMDPort( struct Hook*         hook,
  81                struct EMU10kxBase*  EMU10kxBase,
  82                struct CloseMessage* msg );
  83
  84 VOID
  85 ActivateCAMDXmit( struct Hook*            hook,
  86                   struct EMU10kxBase*     EMU10kxBase,
  87                   struct ActivateMessage* msg );
  88
  89 #endif /* AHI_Drivers_EMU10kx_emu10kx_camd_h */
  90